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Find your perfect fit
Find the right size for your Samsung strap
How to measure your wrist
Measure your wrist where you'd normally wear your watch.
1
Using a tape measure
Wrap the tape measure around your wrist, just above the wrist bone. Not too tight, not too loose — one finger should fit between the tape and your skin.
2
No tape measure?
Wrap a charging cable or strip of paper around your wrist and mark where it meets. Lay it flat and measure with a ruler.
📏 Important: measure your wrist accurately
Measuring carefully lets us determine the right size for you. Every Samsung watch has a different case size, and we use your wrist circumference to calculate the exact fit — so your strap sits like it was made for you.
Measure to one decimal place — for example, 15.7 cm.
How to find your case size
Use either method below to find your watch's case size (e.g. 44mm).
1
Back of your watch
Flip your watch over and look for the case size in mm printed on the back. If you only see a model number (e.g. SM-R940), follow the tip below.
2
Or via the app
Open the Galaxy Wearable app → Watch settings → About watch. If it shows only the model name or number, follow the tip below.
Only see a model number or name (e.g. SM-R940)? Search it on Google or Samsung's support site (samsung.com/support), or ask Samsung Support chat — they'll confirm your exact model and case size.
⚠️ These models are not compatible with our watch straps:
| Model | Case size | Connector |
|---|
